<template>
	<view class="vk-data-goods-sku-popup" catchtouchmove="true" :class="valueCom && complete ? 'show' : 'none'" @touchmove.stop.prevent="moveHandle" @click.stop="stop">
		<!-- 页面内容开始 -->
		<view class="mask" @click="close('mask')"></view>
		<view class="layer attr-content" :class="{'safe-area-inset-bottom':safeAreaInsetBottom }" :style="{ borderRadius: borderRadius + 'rpx ' + borderRadius + 'rpx 0 0' }">
			<view class="specification-wrapper">
				<scroll-view class="specification-wrapper-content" scroll-y="true">
					<view class="specification-header">
						<view class="specification-left">
							<image
								class="product-img"
								:src="selectShop.image ? selectShop.image : goodsInfo[goodsThumbName]"
								:style="{ backgroundColor: goodsThumbBackgroundColor }"
								mode="aspectFill"
								@click="previewImage"
							></image>
						</view>
						<view class="specification-right">
							<view class="price-content" :style="{ color: themeColorFn('priceColor') }">
								<text class="sign">¥</text>
								<text class="price" :class="priceCom.length > 16 ? 'price2' : ''">{{ priceCom }}</text>
							</view>
							<view class="inventory" v-if="!hideStock">{{ stockText }}：{{ stockCom }}</view>
							<view class="inventory" v-else></view>
							<view class="choose" v-show="isManyCom">已选：{{ selectArr.join(' ') }}</view>
						</view>
					</view>

					<view class="specification-content">
						<view v-show="isManyCom" class="specification-item" v-for="(item, index1) in goodsInfo[specListName]" :key="index1">
							<view class="item-title">{{ item.name }}</view>
							<view class="item-wrapper">
								<view
									class="item-content"
									v-for="(item_value, index2) in item.list"
									:key="index2"
									:class="[item_value.ishow ? '' : 'noactived', subIndex[index1] == index2 ? 'actived' : '']"
									:style="[
										item_value.ishow ? '' : themeColorFn('disableStyle'),
										item_value.ishow ? themeColorFn('btnStyle') : '',
										subIndex[index1] == index2 ? themeColorFn('activedStyle') : ''
									]"
									@click="skuClick(item_value, index1, index2)"
								>
									{{ item_value.name }}
								</view>
							</view>
						</view>
						<view class="number-box-view">
							<view style="flex: 1;">数量</view>
							<view style="flex: 4;text-align: right;">
								<vk-data-input-number-box
									v-model="selectNum"
									:min="minBuyNum || 1"
									:max="maxBuyNumCom"
									:step="stepBuyNum || 1"
									:step-strictly="stepStrictly"
									:positive-integer="true"
									@change="numChange"
								></vk-data-input-number-box>
							</view>
						</view>
					</view>
				</scroll-view>
				<view class="close" @click="close('close')" v-if="showClose != false"><image class="close-item" :src="closeImage"></image></view>
			</view>

			<view class="btn-wrapper" v-if="outFoStock || mode == 4">
				<view class="sure" style="color:#ffffff;background-color:#cccccc">{{ noStockText }}</view>
			</view>
			<view class="btn-wrapper" v-else-if="mode == 1">
				<view
					class="sure add-cart"
					style="border-radius:38rpx 0rpx 0rpx 38rpx;"
					:style="{
						color: themeColorFn('addCartColor'),
						backgroundColor: themeColorFn('addCartBackgroundColor')
					}"
					@click="addCart"
				>
					{{ addCartText }}
				</view>

				<view
					class="sure"
					style="border-radius:0rpx 38rpx 38rpx 0rpx;"
					:style="{
						color: themeColorFn('buyNowColor'),
						backgroundColor: themeColorFn('buyNowBackgroundColor')
					}"
					@click="buyNow"
				>
					{{ buyNowText }}
				</view>
			</view>
			<view class="btn-wrapper" v-else-if="mode == 2">
				<view
					class="sure add-cart"
					:style="{
						color: themeColorFn('addCartColor'),
						backgroundColor: themeColorFn('addCartBackgroundColor')
					}"
					@click="addCart"
				>
					{{ addCartText }}
				</view>
			</view>
			<view class="btn-wrapper" v-else-if="mode == 3">
				<view
					class="sure"
					:style="{
						color: themeColorFn('buyNowColor'),
						backgroundColor: themeColorFn('buyNowBackgroundColor')
					}"
					@click="buyNow"
				>
					{{ buyNowText }}
				</view>
			</view>
		</view>
		<!-- 页面内容结束 -->
	</view>
</template>

<script>
var vk; // vk依赖
var goodsCache = {}; // 本地商品缓存
export default {
	name: 'vk-data-goods-sku-popup',
	emits: ['update:modelValue', 'input', 'update-goods', 'open', 'close', 'add-cart', 'buy-now','cart','buy','num-change'],
	props: {
		// true 组件显示 false 组件隐藏
		value: {
			Type: Boolean,
			default: false
		},
		modelValue: {
			Type: Boolean,
			default: false
		},
		// vk云函数路由模式参数开始-----------------------------------------------------------
		// 商品id
		goodsId: {
			Type: String,
			default: ''
		},
		// vk路由模式框架下的云函数地址
		action: {
			Type: String,
			default: ''
		},
		// vk云函数路由模式参数结束-----------------------------------------------------------
		// 该商品已抢完时的按钮文字
		noStockText: {
			Type: String,
			default: '该商品已抢完'
		},
		// 库存文字
		stockText: {
			Type: String,
			default: '库存'
		},
		// 商品表id的字段名
		goodsIdName: {
			Type: String,
			default: '_id'
		},
		// sku表id的字段名
		skuIdName: {
			Type: String,
			default: '_id'
		},
		// sku_list的字段名
		skuListName: {
			Type: String,
			default: 'sku_list'
		},
		// spec_list的字段名
		specListName: {
			Type: String,
			default: 'spec_list'
		},
		// 库存的字段名 默认 stock
		stockName: {
			Type: String,
			default: 'stock'
		},
		// sku组合路径的字段名
		skuArrName: {
			Type: String,
			default: 'sku_name_arr'
		},
		// 默认单规格时的规格组名称
		defaultSingleSkuName: {
			Type: String,
			default: '默认'
		},
		// 模式 1:都显示  2:只显示购物车 3:只显示立即购买 4:显示缺货按钮 默认 1
		mode: {
			Type: Number,
			default: 1
		},
		// 点击遮罩是否关闭组件 true 关闭 false 不关闭 默认true
		maskCloseAble: {
			Type: Boolean,
			default: true
		},
		// 顶部圆角值
		borderRadius: {
			Type: [String, Number],
			default: 0
		},
		// 商品缩略图字段名(未选择sku时)
		goodsThumbName: {
			Type: [String],
			default: 'goods_thumb'
		},
		// 商品缩略图背景颜色，如#999999
		goodsThumbBackgroundColor: {
			Type: String,
			default: 'transparent'
		},
		// 最小购买数量 默认 1
		minBuyNum: {
			Type: [Number, String],
			default: 1
		},
		// 最大购买数量 默认 100000
		maxBuyNum: {
			Type: [Number, String],
			default: 100000
		},
		// 步进器步长 默认 1
		stepBuyNum: {
			Type: [Number, String],
			default: 1
		},
		// 是否只能输入 step 的倍数
		stepStrictly: {
			Type: Boolean,
			default: false
		},
		// 自定义获取商品信息的函数,支付宝小程序不支持该属性,请使用localdata属性
		customAction: {
			Type: [Function],
			default: null
		},
		// 本地数据源
		localdata: {
			type: Object
		},
		// 价格的字体颜色
		priceColor: {
			Type: String
		},
		// 立即购买按钮的文字
		buyNowText: {
			Type: String,
			default: '立即购买'
		},
		// 立即购买按钮的字体颜色
		buyNowColor: {
			Type: String
		},
		// 立即购买按钮的背景颜色
		buyNowBackgroundColor: {
			Type: String
		},
		// 加入购物车按钮的文字
		addCartText: {
			Type: String,
			default: '加入购物车'
		},
		// 加入购物车按钮的字体颜色
		addCartColor: {
			Type: String
		},
		// 加入购物车按钮的背景颜色
		addCartBackgroundColor: {
			Type: String
		},
		// 不可点击时,按钮的样式
		disableStyle: {
			Type: Object,
			default: null
		},
		// 按钮点击时的样式
		activedStyle: {
			Type: Object,
			default: null
		},
		// 按钮常态的样式
		btnStyle: {
			Type: Object,
			default: null
		},
		// 是否显示右上角关闭按钮
		showClose: {
			Type: Boolean,
			default: true
		},
		// 关闭按钮的图片地址 https://img.alicdn.com/imgextra/i1/121022687/O1CN01ImN0O11VigqwzpLiK_!!121022687.png
		closeImage: {
			Type: String,
			default:
				''
		},
		// 是否隐藏库存显示
		hideStock: {
			Type: Boolean,
			default: false
		},
		// 颜色主题
		theme: {
			Type: String,
			default: 'default'
		},
		// 请求中的提示
		actionTips: {
			Type: String,
			default: '请求中...'
		},
		// 默认选中的SKU
		defaultSelect: {
			Type: Object
		},
		// 是否使用缓存
		useCache: {
			Type: Boolean,
			default: true
		},
		/**
		 * 默认商品,设置该值可快速展示商品
		 * 逻辑: 先展示 defaultGoods 信息,再取数据库,再更新页面(通常为更新库存)
		 */
		defaultGoods: {
			Type: Object
		},
		/**
		 * 金额是否需要除以100
		 * 1:金额会除以100
		 * 0:金额不会除以100
		 */
		amountType: {
			Type: Number,
			default: 1
		},
		// 每次选择完SKU后，购买数量归1，如果有最小购买数量，则设置为最小购买数量
		selectedInit: {
			Type: Boolean,
			default: false
		},
		// 是否开启底部安全区适配，默认true
		safeAreaInsetBottom: {
			Type: Boolean,
			default: true
		},
	},
	data() {
		return {
			complete: false, // 组件是否加载完成
			goodsInfo: {}, // 商品信息
			isShow: false, // true 显示 false 隐藏
			initKey: true, // 是否已初始化
			shopItemInfo: {}, // 存放要和选中的值进行匹配的数据
			selectArr: [], // 存放被选中的值
			subIndex: [], // 是否选中 因为不确定是多规格还是单规格，所以这里定义数组来判断
			selectShop: {}, // 存放最后选中的商品
			selectNum: this.minBuyNum || 1, // 选中数量
			outFoStock: false, // 是否全部sku都缺货
			openTime: 0,
			themeColor: {
				// 默认主题
				default: {
					priceColor: 'rgb(254, 86, 10)',
					buyNowColor: '#ffffff',
					buyNowBackgroundColor: 'rgb(254, 86, 10)',
					addCartColor: '#ffffff',
					addCartBackgroundColor: 'rgb(255, 148, 2)',
					btnStyle: {
						color: '#333333',
						borderColor: '#f4f4f4',
						backgroundColor: '#ffffff'
					},
					activedStyle: {
						color: 'rgb(254, 86, 10)',
						borderColor: 'rgb(254, 86, 10)',
						backgroundColor: 'rgba(254,86,10,0.1)'
					},
					disableStyle: {
						color: '#c3c3c3',
						borderColor: '#f6f6f6',
						backgroundColor: '#f6f6f6'
					}
				},
				// 红黑主题
				'red-black': {
					priceColor: 'rgb(255, 68, 68)',
					buyNowColor: '#ffffff',
					buyNowBackgroundColor: 'rgb(255, 68, 68)',
					addCartColor: '#ffffff',
					addCartBackgroundColor: 'rgb(85, 85, 85)',
					activedStyle: {
						color: 'rgb(255, 68, 68)',
						borderColor: 'rgb(255, 68, 68)',
						backgroundColor: 'rgba(255,68,68,0.1)'
					}
				},
				// 黑白主题
				'black-white': {
					priceColor: 'rgb(47, 47, 52)',
					buyNowColor: '#ffffff',
					buyNowBackgroundColor: 'rgb(47, 47, 52)',
					addCartColor: 'rgb(47, 47, 52)',
					addCartBackgroundColor: 'rgb(235, 236, 242)',
					// btnStyle:{
					// 	color:"rgb(47, 47, 52)",
					// 	borderColor:"rgba(235,236,242,0.5)",
					// 	backgroundColor:"rgba(235,236,242,0.5)",
					// },
					activedStyle: {
						color: 'rgb(47, 47, 52)',
						borderColor: 'rgba(47,47,52,0.12)',
						backgroundColor: 'rgba(47,47,52,0.12)'
					}
				},
				// 咖啡色主题
				coffee: {
					priceColor: 'rgb(195, 167, 105)',
					buyNowColor: '#ffffff',
					buyNowBackgroundColor: 'rgb(195, 167, 105)',
					addCartColor: 'rgb(195, 167, 105)',
					addCartBackgroundColor: 'rgb(243, 238, 225)',
					activedStyle: {
						color: 'rgb(195, 167, 105)',
						borderColor: 'rgb(195, 167, 105)',
						backgroundColor: 'rgba(195, 167, 105,0.1)'
					}
				},
				// 浅绿色主题
				green: {
					priceColor: 'rgb(99, 190, 114)',
					buyNowColor: '#ffffff',
					buyNowBackgroundColor: 'rgb(99, 190, 114)',
					addCartColor: 'rgb(99, 190, 114)',
					addCartBackgroundColor: 'rgb(225, 244, 227)',
					activedStyle: {
						color: 'rgb(99, 190, 114)',
						borderColor: 'rgb(99, 190, 114)',
						backgroundColor: 'rgba(99, 190, 114,0.1)'
					}
				}
			}
		};
	},
	created() {
		let that = this;
		vk = that.vk;
		if (that.valueCom) {
			that.open();
		}
	},
	mounted() {},
	methods: {
		// 初始化
		init(notAutoClick) {
			let that = this;
			// 清空之前的数据
			that.selectArr = [];
			that.subIndex = [];
			that.selectShop = {};
			that.selectNum = that.minBuyNum || 1;
			that.outFoStock = false;
			that.shopItemInfo = {};
			let specListName = that.specListName;
			that.goodsInfo[specListName].map(item => {
				that.selectArr.push('');
				that.subIndex.push(-1);
			});
			that.checkItem(); // 计算sku里面规格形成路径
			that.checkInpath(-1); // 传-1是为了不跳过循环
			if (!notAutoClick) that.autoClickSku(); // 自动选择sku策略
		},
		// 使用vk路由模式框架获取商品信息
		findGoodsInfo(obj = {}) {
			let that = this;
			let { useCache } = obj;
			if (typeof vk == 'undefined') {
				that.toast('custom-action必须是function', 'none');
				return false;
			}
			let { actionTips } = that;
			let actionTitle = '';
			let actionAoading = false;
			if (actionTips !== 'custom') {
				actionTitle = useCache ? '' : '请求中...';
			} else {
				actionAoading = useCache ? false : true;
			}
			vk.callFunction({
				url: that.action,
				title: actionTitle,
				loading: actionAoading,
				data: {
					goods_id: that.goodsId
				},
				success(data) {
					that.updateGoodsInfo(data.goodsInfo);
					// 更新缓存
					goodsCache[that.goodsId] = data.goodsInfo;
					that.$emit('update-goods', data.goodsInfo);
				},
				fail() {
					that.updateValue(false);
				}
			});
		},
		updateValue(value) {
			let that = this;
			if (value) {
				that.$emit('open', true);
				that.$emit('input', true);
				that.$emit('update:modelValue', true);
			} else {
				that.$emit('input', false);
				that.$emit('close', 'close');
				that.$emit('update:modelValue', false);
			}
		},
		// 更新商品信息(库存、名称、图片)
		updateGoodsInfo(goodsInfo) {
			let that = this;
			// goodsInfo.sku_list.map((item, index) => {
			// 	item.sku_name_arr = ["20ml/瓶"];
			// });
			let { skuListName } = that;
			if (JSON.stringify(that.goodsInfo) === '{}' || that.goodsInfo[that.goodsIdName] !== goodsInfo[that.goodsIdName]) {
				that.goodsInfo = goodsInfo;
				that.initKey = true;
			} else {
				that.goodsInfo[skuListName] = goodsInfo[skuListName];
			}
			if (that.initKey) {
				that.initKey = false;
				that.init();
			}
			// 更新选中sku的库存信息
			let select_sku_info = that.getListItem(that.goodsInfo[skuListName], that.skuIdName, that.selectShop[that.skuIdName]);
			Object.assign(that.selectShop, select_sku_info);
			that.defaultSelectSku();
			that.complete = true;
		},
		async open() {
			let that = this;
			that.openTime = new Date().getTime();
			let findGoodsInfoRun = true;
			let skuListName = that.skuListName;
			// 先获取缓存中的商品信息
			let useCache = false;
			let goodsInfo = goodsCache[that.goodsId];
			if (goodsInfo && that.useCache) {
				useCache = true;
				that.updateGoodsInfo(goodsInfo);
			} else {
				that.complete = false;
			}
			if (that.customAction && typeof that.customAction === 'function') {
				try {
					goodsInfo = await that
						.customAction({
							useCache,
							goodsId: that.goodsId,
							goodsInfo,
							close: function() {
								setTimeout(function() {
									that.close();
								}, 500);
							}
						})
						.catch(err => {
							setTimeout(function() {
								that.close();
							}, 500);
						});
				} catch (err) {
					let { message = '' } = err;
					if (message.indexOf('.catch is not a function') > -1) {
						that.toast('custom-action必须返回一个Promise', 'none');
						setTimeout(function() {
							that.close();
						}, 500);
						return false;
					}
				}
				// 更新缓存
				goodsCache[that.goodsId] = goodsInfo;
				if (goodsInfo && typeof goodsInfo == 'object' && JSON.stringify(goodsInfo) != '{}') {
					findGoodsInfoRun = false;
					that.updateGoodsInfo(goodsInfo);
					that.updateValue(true);
				} else {
					that.toast('未获取到商品信息', 'none');
					that.$emit('input', false);
					return false;
				}
			} else if (typeof that.localdata !== 'undefined' && that.localdata !== null) {
				goodsInfo = that.localdata;
				if (goodsInfo && typeof goodsInfo == 'object' && JSON.stringify(goodsInfo) != '{}') {
					findGoodsInfoRun = false;
					that.updateGoodsInfo(goodsInfo);
					that.updateValue(true);
				} else {
					that.toast('未获取到商品信息', 'none');
					that.$emit('input', false);
					return false;
				}
			} else {
				if (findGoodsInfoRun) that.findGoodsInfo({ useCache });
			}
		},
		// 监听 - 弹出层收起
		close(s) {
			let that = this;
			if (new Date().getTime() - that.openTime < 400) {
				return false;
			}
			if (s == 'mask') {
				if (that.maskCloseAble !== false) {
					that.$emit('input', false);
					that.$emit('close', 'mask');
					that.$emit('update:modelValue', false);
				}
			} else {
				that.$emit('input', false);
				that.$emit('close', 'close');
				that.$emit('update:modelValue', false);
			}
		},
		moveHandle() {
			//禁止父元素滑动
		},
		// sku按钮的点击事件
		skuClick(value, index1, index2) {
			let that = this;
			if (value.ishow) {
				if (that.selectArr[index1] != value.name) {
					that.$set(that.selectArr, index1, value.name);
					that.$set(that.subIndex, index1, index2);
				} else {
					that.$set(that.selectArr, index1, '');
					that.$set(that.subIndex, index1, -1);
				}
				that.checkInpath(index1);
				// 如果全部选完
				that.checkSelectShop();
			}
		},
		// 检测是否已经选完sku
		checkSelectShop() {
			let that = this;
			// 如果全部选完
			if (that.selectArr.every(item => item != '')) {
				that.selectShop = that.shopItemInfo[that.getArrayToSting(that.selectArr)];
				let stock = that.selectShop[that.stockName];
				if (typeof stock !== 'undefined' && that.selectNum > stock) {
					that.selectNum = stock;
				}
				if (that.selectNum > that.maxBuyNum) {
					that.selectNum = that.maxBuyNum;
				}
				if (that.selectNum < that.minBuyNum) {
					that.selectNum = that.minBuyNum;
				}
				if (that.selectedInit) {
					that.selectNum = that.minBuyNum || 1;
				}
			} else {
				that.selectShop = {};
			}
		},
		// 检查路径
		checkInpath(clickIndex) {
			let that = this;
			let specListName = that.specListName;
			//console.time('筛选可选路径需要的时间是');
			//循环所有属性判断哪些属性可选
			//当前选中的兄弟节点和已选中属性不需要循环
			let specList = that.goodsInfo[specListName];
			for (let i = 0, len = specList.length; i < len; i++) {
				if (i == clickIndex) {
					continue;
				}
				let len2 = specList[i].list.length;
				for (let j = 0; j < len2; j++) {
					if (that.subIndex[i] != -1 && j == that.subIndex[i]) {
						continue;
					}
					let choosed_copy = [...that.selectArr];
					that.$set(choosed_copy, i, specList[i].list[j].name);
					let choosed_copy2 = choosed_copy.filter(item => item !== '' && typeof item !== 'undefined');
					if (that.shopItemInfo.hasOwnProperty(that.getArrayToSting(choosed_copy2))) {
						specList[i].list[j].ishow = true;
					} else {
						specList[i].list[j].ishow = false;
					}
				}
			}
			that.$set(that.goodsInfo, specListName, specList);
			// console.timeEnd('筛选可选路径需要的时间是');
		},
		// 计算sku里面规格形成路径
		checkItem() {
			let that = this;
			// console.time('计算有多小种可选路径需要的时间是');
			let { stockName } = that;
			let skuListName = that.skuListName;
			// 去除库存小于等于0的商品sku
			let originalSkuList = that.goodsInfo[skuListName];
			let skuList = [];
			let stockNum = 0;
			originalSkuList.map((skuItem, index) => {
				if (skuItem[stockName] > 0) {
					skuList.push(skuItem);
					stockNum += skuItem[stockName];
				}
			});
			if (stockNum <= 0) {
				that.outFoStock = true;
			}
			// 计算有多小种可选路径
			let result = skuList.reduce(
				(arrs, items) => {
					return arrs.concat(
						items[that.skuArrName].reduce(
							(arr, item) => {
								return arr.concat(
									arr.map(item2 => {
										// 利用对象属性的唯一性实现二维数组去重
										//console.log(1,that.shopItemInfo,that.getArrayToSting([...item2, item]),item2,item,items);
										if (!that.shopItemInfo.hasOwnProperty(that.getArrayToSting([...item2, item]))) {
											that.shopItemInfo[that.getArrayToSting([...item2, item])] = items;
										}
										return [...item2, item];
									})
								);
							},
							[[]]
						)
					);
				},
				[[]]
			);
			// console.timeEnd('计算有多小种可选路径需要的时间是');
		},
		getArrayToSting(arr) {
			let str = '';
			arr.map((item, index) => {
				item = item.replace(/\./g, '。');
				if (index == 0) {
					str += item;
				} else {
					str += ',' + item;
				}
			});
			return str;
		},
		// 检测sku选项是否已全部选完,且有库存
		checkSelectComplete(obj = {}) {
			let that = this;
			let clickTime = new Date().getTime();
			if (that.clickTime && clickTime - that.clickTime < 400) {
				return false;
			}
			that.clickTime = clickTime;
			let { selectShop, selectNum, stockText, stockName } = that;
			if (!selectShop || !selectShop[that.skuIdName]) {
				that.toast('请先选择对应规格', 'none');
				return false;
			}
			if (selectNum <= 0) {
				that.toast('购买数量必须>0', 'none');
				return false;
			}
			// 判断库存
			if (selectNum > selectShop[stockName]) {
				that.toast(stockText + '不足', 'none');
				return false;
			}
			if (typeof obj.success == 'function') obj.success(selectShop);
		},
		// 加入购物车
		addCart() {
			let that = this;
			that.checkSelectComplete({
				success: function(selectShop) {
					selectShop.buy_num = that.selectNum;
					that.$emit('add-cart', selectShop);
					that.$emit('cart', selectShop);
					// setTimeout(function() {
					// 	that.init();
					// }, 300);
				}
			});
		},
		// 立即购买
		buyNow() {
			let that = this;
			that.checkSelectComplete({
				success: function(selectShop) {
					selectShop.buy_num = that.selectNum;
					that.$emit('buy-now', selectShop);
					that.$emit('buy', selectShop);
				}
			});
		},
		// 弹窗
		toast(title, icon) {
			uni.showToast({
				title: title,
				icon: icon
			});
		},
		// 获取对象数组中的某一个item,根据指定的键值
		getListItem(list, key, value) {
			let that = this;
			let item;
			for (let i in list) {
				if (typeof value == 'object') {
					if (JSON.stringify(list[i][key]) === JSON.stringify(value)) {
						item = list[i];
						break;
					}
				} else {
					if (list[i][key] === value) {
						item = list[i];
						break;
					}
				}
			}
			return item;
		},
		getListIndex(list, key, value) {
			let that = this;
			let index = -1;
			for (let i = 0; i < list.length; i++) {
				if (list[i][key] === value) {
					index = i;
					break;
				}
			}
			return index;
		},
		// 自动选择sku前提是只有一组sku,默认自动选择最前面的有库存的sku
		autoClickSku() {
			let that = this;
			let { stockName } = that;
			let skuList = that.goodsInfo[that.skuListName];
			let specListArr = that.goodsInfo[that.specListName];
			if (specListArr.length == 1) {
				let specList = specListArr[0].list;
				for (let i = 0; i < specList.length; i++) {
					let sku = that.getListItem(skuList, that.skuArrName, [specList[i].name]);
					if (sku && sku[stockName] > 0) {
						that.skuClick(specList[i], 0, i);
						break;
					}
				}
			}
		},
		// 主题颜色
		themeColorFn(name) {
			let that = this;
			let { theme, themeColor } = that;
			let color = that[name] ? that[name] : themeColor[theme][name];
			return color;
		},
		defaultSelectSku() {
			let that = this;
			let { defaultSelect } = that;
			if (defaultSelect && defaultSelect.sku && defaultSelect.sku.length > 0) {
				that.selectSku(defaultSelect);
			}
		},
		/**
			 * 主动方法 - 设置sku
			that.$refs.skuPopup.selectSku({
				sku:["红色","256G","公开版"],
				num:5
			});
			 */
		selectSku(obj = {}) {
			let that = this;
			let { sku: skuArr, num: selectNum } = obj;
			let specListArr = that.goodsInfo[that.specListName];
			if (skuArr && specListArr.length === skuArr.length) {
				// 先清空
				let skuClickArr = [];
				let clickKey = true;
				for (let index = 0; index < skuArr.length; index++) {
					let skuName = skuArr[index];
					let specList = specListArr[index].list;
					let index1 = index;
					let index2 = that.getListIndex(specList, 'name', skuName);
					if (index2 == -1) {
						clickKey = false;
						break;
					}
					skuClickArr.push({
						spec: specList[index2],
						index1: index1,
						index2: index2
					});
				}
				if (clickKey) {
					that.init(true);
					skuClickArr.map(item => {
						that.skuClick(item.spec, item.index1, item.index2);
					});
				}
			}
			if (selectNum > 0) that.selectNum = selectNum;
		},
		priceFilter(n = 0) {
			let that = this;
			if (typeof n == 'string') {
				n = parseFloat(n);
			}
			if (that.amountType === 0) {
				return n.toFixed(2);
			} else {
				return (n / 100).toFixed(2);
			}
		},
		pushGoodsCache(goodsInfo) {
			let that = this;
			let { goodsIdName } = that;
			goodsCache[goodsInfo[goodsIdName]] = goodsInfo;
		},
		// 用于阻止冒泡
		stop() {},
		// 图片预览
		previewImage() {
			let that = this;
			let { selectShop, goodsInfo, goodsThumbName } = that;
			let src = selectShop.image ? selectShop.image : goodsInfo[goodsThumbName];
			if (src) {
				uni.previewImage({
					urls: [src]
				});
			}
		},
		getMaxStock() {
			let maxStock = 0;
			let that = this;
			let { selectShop = {}, goodsInfo = {}, skuListName, stockName } = that;
			if (selectShop[stockName]) {
				maxStock = selectShop[stockName];
			} else {
				let skuList = goodsInfo[skuListName];
				if (skuList && skuList.length > 0) {
					let valueArr = [];
					skuList.map((skuItem, index) => {
						valueArr.push(skuItem[stockName]);
					});
					let max = Math.max(...valueArr);
					maxStock = max;
				}
			}
			return maxStock;
		},
		numChange(e){
			this.$emit("num-change", e.value);
		}
	},
	// 计算属性
	computed: {
		valueCom() {
			// #ifndef VUE3
			return this.value;
			// #endif

			// #ifdef VUE3
			return this.modelValue;
			// #endif
		},
		// 最大购买数量
		maxBuyNumCom() {
			let that = this;
			let maxStock = that.getMaxStock();
			let max = that.maxBuyNum || 100000;
			// 最大购买量不能超过当前商品的库存
			if (max > maxStock) {
				max = maxStock;
			}
			return max;
		},
		// 是否是多规格
		isManyCom() {
			let that = this;
			let { goodsInfo, defaultSingleSkuName, specListName } = that;
			let isMany = true;
			if (
				goodsInfo[specListName] &&
				goodsInfo[specListName].length === 1 &&
				goodsInfo[specListName][0].list.length === 1 &&
				goodsInfo[specListName][0].name === defaultSingleSkuName
			) {
				isMany = false;
			}
			return isMany;
		},
		// 默认价格区间计算
		priceCom() {
			let str = '';
			let that = this;
			let { selectShop = {}, goodsInfo = {}, skuListName, skuIdName } = that;
			if (selectShop[skuIdName]) {
				str = that.priceFilter(selectShop.price);
			} else {
				let skuList = goodsInfo[skuListName];
				if (skuList && skuList.length > 0) {
					let valueArr = [];
					skuList.map((skuItem, index) => {
						valueArr.push(skuItem.price);
					});
					let min = that.priceFilter(Math.min(...valueArr));
					let max = that.priceFilter(Math.max(...valueArr));
					if (min === max) {
						str = min + '';
					} else {
						str = `${min} - ${max}`;
					}
				}
			}
			return str;
		},
		// 库存显示
		stockCom() {
			let str = '';
			let that = this;
			let { selectShop = {}, goodsInfo = {}, skuListName, stockName } = that;
			if (selectShop[stockName]) {
				str = selectShop[stockName];
			} else {
				let skuList = goodsInfo[skuListName];
				if (skuList && skuList.length > 0) {
					let valueArr = [];
					skuList.map((skuItem, index) => {
						valueArr.push(skuItem[stockName]);
					});
					let min = Math.min(...valueArr);
					let max = Math.max(...valueArr);
					if (min === max) {
						str = min;
					} else {
						str = `${min} - ${max}`;
					}
				}
			}
			return str;
		}
	},
	watch: {
		valueCom(newVal, oldValue) {
			let that = this;
			if (newVal) {
				that.open();
			}
		},
		defaultGoods: {
			immediate: true,
			handler: function(newVal, oldValue) {
				let that = this;
				let { goodsIdName } = that;
				if (typeof newVal === 'object' && newVal && newVal[goodsIdName] && !goodsCache[newVal[goodsIdName]]) {
					that.pushGoodsCache(newVal);
				}
			}
		}
	}
};
</script>

<style lang="scss" scoped>
/*  sku弹出层 */
.vk-data-goods-sku-popup {
	position: fixed;
	left: 0;
	top: 0;
	right: 0;
	bottom: 0;
	z-index: 990;
	overflow: hidden;
	&.show {
		display: block;

		.mask {
			animation: showPopup 0.2s linear both;
		}

		.layer {
			animation: showLayer 0.2s linear both;
			bottom: var(--window-bottom);
		}
	}

	&.hide {
		.mask {
			animation: hidePopup 0.2s linear both;
		}

		.layer {
			animation: hideLayer 0.2s linear both;
		}
	}

	&.none {
		display: none;
	}
	.mask {
		position: fixed;
		top: 0;
		width: 100%;
		height: 100%;
		z-index: 1;
		background-color: rgba(0, 0, 0, 0.3);
	}
	.layer {
		display: flex;
		width: 100%;
		// height: 1014rpx;
		flex-direction: column;
		// min-height: 40vh;
		// max-height: 1014rpx;
		position: fixed;
		z-index: 99;
		bottom: 0;
		border-radius: 10rpx 10rpx 0 0;
		background-color: #fff;

		.specification-wrapper {
			width: 100%;
			padding: 30rpx 25rpx;
			box-sizing: border-box;
			.specification-wrapper-content {
				width: 100%;
				max-height: 900rpx;
				min-height: 300rpx;
				&::-webkit-scrollbar {
					/*隐藏滚轮*/
					display: none;
				}

				.specification-header {
					width: 100%;
					display: flex;
					flex-direction: row;
					position: relative;
					margin-bottom: 40rpx;

					.specification-left {
						width: 180rpx;
						height: 180rpx;
						flex: 0 0 180rpx;

						.product-img {
							width: 180rpx;
							height: 180rpx;
						}
					}

					.specification-right {
						flex: 1;
						padding: 0 35rpx 0 28rpx;
						box-sizing: border-box;
						display: flex;
						flex-direction: column;
						justify-content: flex-end;
						font-weight: 500;

						.price-content {
							color: #fe560a;
							margin-bottom: 20rpx;

							.sign {
								font-size: 28rpx;
							}

							.price {
								margin-left: 4rpx;
								font-size: 48rpx;
							}
							.price2 {
								margin-left: 4rpx;
								font-size: 36rpx;
							}
						}

						.inventory {
							font-size: 24rpx;
							color: #999999;
							margin-bottom: 14rpx;
						}

						.choose {
							font-size: 28rpx;
							color: #333333;
						}
					}
				}

				.specification-content {
					font-weight: 500;

					.specification-item {
						margin-bottom: 40rpx;

						&:last-child {
							margin-bottom: 0;
						}

						.item-title {
							margin-bottom: 20rpx;
							font-size: 28rpx;
							color: #999999;
						}

						.item-wrapper {
							display: flex;
							flex-direction: row;
							flex-flow: wrap;

							.item-content {
								display: inline-block;
								padding: 10rpx 35rpx;
								font-size: 24rpx;
								border-radius: 10rpx;
								background-color: #ffffff;
								color: #333333;
								margin-right: 20rpx;
								margin-bottom: 16rpx;
								border: 1px solid #f4f4f4;
								box-sizing: border-box;
								&.actived {
									border-color: #fe560a;
									color: #fe560a;
								}

								&.noactived {
									background-color: #f6f6f6;
									border-color: #f6f6f6;
									color: #c3c3c3;
								}
							}
						}
					}
					.number-box-view {
						display: flex;
						padding-top: 30rpx;
					}
				}
			}
			.close {
				position: absolute;
				top: 30rpx;
				right: 25rpx;
				width: 50rpx;
				height: 50rpx;
				text-align: center;
				line-height: 50rpx;
				.close-item {
					width: 50rpx;
					height: 50rpx;
				}
			}
		}
		.btn-wrapper {
			display: flex;
			width: 100%;
			height: 120rpx;
			flex: 0 0 120rpx;
			align-items: center;
			justify-content: space-between;
			padding: 0 26rpx;
			box-sizing: border-box;
			.layer-btn {
				width: 335rpx;
				height: 76rpx;
				border-radius: 38rpx;
				color: #fff;
				line-height: 76rpx;
				text-align: center;
				font-weight: 500;
				font-size: 28rpx;

				&.add-cart {
					background: #ffbe46;
				}

				&.buy {
					background: #fe560a;
				}
			}
			.sure {
				width: 698rpx;
				height: 68rpx;
				border-radius: 38rpx;
				color: #fff;
				line-height: 68rpx;
				text-align: center;
				font-weight: 500;
				font-size: 28rpx;
				background: #fe560a;
			}
			.sure.add-cart {
				background: #ff9402;
			}
		}
		.btn-wrapper.safe-area-inset-bottom{
			padding-bottom: 0;
			padding-bottom: constant(safe-area-inset-bottom);
			padding-bottom: env(safe-area-inset-bottom);
		}
	}

	@keyframes showPopup {
		0% {
			opacity: 0;
		}

		100% {
			opacity: 1;
		}
	}

	@keyframes hidePopup {
		0% {
			opacity: 1;
		}

		100% {
			opacity: 0;
		}
	}

	@keyframes showLayer {
		0% {
			transform: translateY(120%);
		}

		100% {
			transform: translateY(0%);
		}
	}

	@keyframes hideLayer {
		0% {
			transform: translateY(0);
		}

		100% {
			transform: translateY(120%);
		}
	}
}
</style>
